| Index | East Moriches | New York | National |
| Average Test Scores | 63% | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 2 | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | East Moriches | New York | National |
| Completed 8th grade | 93.2% | 83.5% | 84.3% |
| Completed high school | 92.9% | 82.1% | 83.0% |
| Completed some college | 62.7% | 59.5% | 59.4% |
| Completed associate degree | 44.7% | 43.4% | 38.5% |
| Completed bachelors | 34.8% | 34.7% | 30.3% |
| Completed masters | 18.7% | 15.1% | 11.5% |
| Completed professional degree | 4.6% | 4.2% | 3.3% |
| Completed doctorate | 1.7% | 1.5% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in East Moriches. Using the proficiency score averages, the average test scores for East Moriches, NY schools is 63%. The average student to teacher ratio is n/a. In East Moriches, NY, an average of 93.2% of students have completed 8th grade and an average of 92.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shoreham, NY | 375 | 82% | 69.8% |
| Quogue, NY | 600 | 80% | 66.7% |
| Mattituck, NY | 4,898 | 77% | 60.4% |
| Westhampton Beach, NY | 1,869 | 73% | 51.7% |
| Mount Sinai, NY | 10,446 | 71% | 48.3% |
| East Moriches, NY | 4,902 | 63% | 31.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Winona Lake, IN | 4,902 | 50% | 4.2% |
| Sergeant Bluff, IA | 4,901 | 76% | 58.0% |
| Desloge, MO | 4,901 | 45% | 6.9% |
| Salem, MO | 4,904 | 40% | 15.9% |
| Meadows Place, TX | 4,899 | 53% | 10.9% |
| East Moriches, NY | 4,902 | 63% | 31.8% |
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